| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package util |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| ) |
| |
| // IoUtil is a mockable util for common IO operations |
| type IoUtil interface { |
| ReadFile(filename string) ([]byte, error) |
| ReadDir(dirname string) ([]os.FileInfo, error) |
| Lstat(name string) (os.FileInfo, error) |
| EvalSymlinks(path string) (string, error) |
| } |
| |
| type osIOHandler struct{} |
| |
| //NewIOHandler Create a new IoHandler implementation |
| func NewIOHandler() IoUtil { |
| return &osIOHandler{} |
| } |
| |
| func (handler *osIOHandler) ReadFile(filename string) ([]byte, error) { |
| return ioutil.ReadFile(filename) |
| } |
| func (handler *osIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) { |
| return ioutil.ReadDir(dirname) |
| } |
| func (handler *osIOHandler) Lstat(name string) (os.FileInfo, error) { |
| return os.Lstat(name) |
| } |
| func (handler *osIOHandler) EvalSymlinks(path string) (string, error) { |
| return filepath.EvalSymlinks(path) |
| } |